<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script src="https://unpkg.com/vue@next"></script>
<div id="app">
    <blog-item title="a"></blog-item>
    <blog-item title="b"></blog-item>
    <blog-item title="c"></blog-item>
</div>
<script>
    const vueOpt = {
        data(){
            return {

            }
        }
    }

    const app = Vue.createApp(vueOpt)
    app.component('blog-item', {
        data(){

        },
        template:`<span>{{title}}111</span>`,
        props: ['title']
    })
    app.mount('#app')
</script>
</body>
</html>
